TOP252-262 POWERINT [Power Integrations, Inc.], TOP252-262 Datasheet - Page 28

• Manufacturer Part Number: TOP252-262
• Description: Enhanced EcoSmart, Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range
• Manufacturer: POWERINT [Power Integrations, Inc.]

Figure 46. Layout Considerations for TOPSwitch-HX Using P-Package.
Figure 47. Layout Considerations for TOPSwitch-HX Using M-Package.
Rev. F 01/09
HV
28
Optional PCB slot for external
+
-
HV
Optional PCB slot for external
heatsink in contact with
+
-
Input Filter
Capacitor
heatsink in contact with
J1
TOP252-262
SOURCE pins
Input Filter
Capacitor
J1
SOURCE pins
Maximize hatched copper
areas (
heat sinking
JP1
Maximize hatched copper
areas (
heat sinking
JP1
C1
R1
R1
R3
) for optimum
) for optimum
C1
R2
R2
R4
R5
R3
S
S
S
S
S
S
S
S
S
U1
R7
U1
C3
C2
VR2
VR2
C2
C3
R9
R8
C4
M
D1
R8
D1
D
C
D
C
X
V
C4
R6
R4
D2
D2
Isolation Barrier
Isolation Barrier
JP2
C5
JP2
Transformer
C5
Capacitor
Capacitor
Transformer
Y1-
Y1-
C6
C6
U2
U2
C9
R15
R16
U3
R17
R12
T1
T1
R14
C9
U3
D3
C10
D3
R13
R11
R10
C7
C7
R12
- DC
R9
Out
-
+
Out
DC
C8
J2
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Output Filter
L1
Output Filter
+
C8
Capacitor
Capacitor
J2
Rectifier
Output
Rectifier
PI-4752-070307
PI-4753-070307
Output
L1